Margaret Rouse is an award-winning technical writer and teacher known for her ability to explain complex technical subjects simply to a non-technical, business audience. Over…
A pocket calculator is a battery-powered electronic device used to perform simple arithmetic calculations upon data input. Pocket calculators got their name owing to their compact size, which is sufficiently small and handy, and can be carried in a pocket.
The Busicom LE-120A HANDY was the first real pocket-sized calculator, which was made in Japan and was marketed during early 1971.
Originally, all calculators were mechanical calculators. Electronic calculators were introduced in the early 1960s, which were quite large in size due to the use of several transistors, a huge power supply and other bulky parts. Then, in early 1970s pocket calculators were developed.
A typical pocket calculator consists of the following:
As technology advanced, variants of pocket calculators, such as pocket computers and graphing calculators, have been introduced. Pocket calculators are now facing extinction, a victim of digitization. With the advancement of computers and mobile technology, pocket calculators have transformed and are mostly found in the form of a feature on mobile phones and desktops rather than as a standalone gadget.
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Margaret is an award-winning technical writer and teacher known for her ability to explain complex technical subjects to a non-technical business audience. Over the past twenty years, her IT definitions have been published by Que in an encyclopedia of technology terms and cited in articles by the New York Times, Time Magazine, USA Today, ZDNet, PC Magazine, and Discovery Magazine. She joined Techopedia in 2011. Margaret's idea of a fun day is helping IT and business professionals learn to speak each other’s highly specialized languages.
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